The KMC S1 Chain Single Speed 1/2" x 1/8" Green Anti-Drop Design is a high-quality chain designed for single-speed drivetrains. It features a reinforced durability and high pin power, ensuring a reliable and smooth riding experience. The chain is compatible with internally geared hubs and offers an anti-drop design for added security. With its green color and 112 links, this chain adds a stylish touch to your bike. The chain also comes with a reusable master link for easy installation and maintenance. Upgrade your bike's drivetrain with the KMC S1 Chain Single Speed 1/2" x 1/8" Green Anti-Drop Design.